EP3117989A1 - Stratifié barrière, film barrière au gaz, film stratifié, poche de solution de perfusion, et procédé de production d'un stratifié barrière - Google Patents

Stratifié barrière, film barrière au gaz, film stratifié, poche de solution de perfusion, et procédé de production d'un stratifié barrière Download PDF

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Publication number
EP3117989A1
EP3117989A1 EP15760995.9A EP15760995A EP3117989A1 EP 3117989 A1 EP3117989 A1 EP 3117989A1 EP 15760995 A EP15760995 A EP 15760995A EP 3117989 A1 EP3117989 A1 EP 3117989A1
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Prior art keywords
organic layer
film
layer
barrier laminate
urethane
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Granted
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EP15760995.9A
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German (de)
English (en)
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EP3117989A4 (fr
EP3117989B1 (fr
Inventor
Eijiro Iwase
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Fujifilm Corp
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Fujifilm Corp
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/052—Forming heat-sealable coatings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/10—Bag-type containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • C08J7/0423—Coating with two or more layers, where at least one layer of a composition contains a polymer binder with at least one layer of inorganic material and at least one layer of a composition containing a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/048—Forming gas barrier coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/536—Hardness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/80—Medical packaging
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2433/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2433/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2433/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2475/04—Polyurethanes
    • C08J2475/14—Polyurethanes having carbon-to-carbon unsaturated bonds

Definitions

  • the present invention relates to a barrier laminate and a gas barrier film including the barrier laminate.
  • the present invention relates to a laminated film including the barrier laminate, an infusion solution bag using the laminated film, and a method of manufacturing a barrier laminate.
  • JP2012-75716A discloses a technique in which a barrier laminate is combined with a resin film while maintaining a high barrier layer performance, which is obtained by a laminate structure of a barrier laminate, and in which this combination is applied to an infusion solution bag.
  • JP2012-218378A investigates a configuration of a barrier laminate which is suitable for use in an infusion solution bag in consideration of stress, which is generated by pressurization and by compression and shrinkage during heating and cooling when the barrier laminate is combined with a resin film by heat sealing or the like.
  • infusion solution bag In order to form an infusion solution bag, not only the combining of a barrier laminate and a resin film but also punching, trimming, and intermediate processing for forming a bag shape are necessary. In addition, when an infusion solution bag is used, stress is likely to be applied to the infusion solution bag by mishandling of the user or dropping. When a barrier laminate peels off from an infusion solution bag due to the above-described processing and stress, of course, barrier properties cannot be maintained, and chemicals in the infusion solution bag deteriorate.
  • the present inventors presumed that, when used in an infusion solution bag or the like, a barrier laminate and a gas barrier film are likely to be fractured due to the following two reasons. Firstly, interfacial peeling is likely to occur due to an organic layer which is formed on a surface of an inorganic layer in a barrier laminate. Secondly, interfacial peeling is likely to occur between an organic layer, which is the outermost layer of a barrier laminate, and an adhesive layer for adhesion with a bag due to, for example, insufficient adhesion between the organic layer and the adhesive layer. Focusing on that these two reasons relate to an organic layer present between an adhesive layer and an inorganic layer, the present inventors further repeated investigation on the organic layer, thereby completing the present invention.
  • the present invention provides the following [1] to [16].
  • a barrier laminate and a gas barrier film which is hard to destroy and can maintain satisfactory barrier properties when used in an infusion solution bag or the like.
  • an infusion solution bag in which the barrier layer is hard to peel off from a bag and stability and gasbarrier properties are satisfactory, can be formed even when an impact of processing, dropping, or the like is applied to the infusion solution bag after the barrier layer adhere to the bag, whose outermost layer is formed of a resin film, using a heat sealing method.
  • Fig 1 is a schematic cross-sectional view showing an example of a laminated film according to the present invention.
  • a barrier laminate according to the present invention includes a first organic layer, an inorganic layer, and a second organic layer in this order. This second organic layer contacts the inorganic layer.
  • the second organic layer is formed by curing a polymerizable composition which is directly applied to a surface of the inorganic layer, and the polymerizable composition includes a specific urethane acrylate polymer described below.
  • the second organic layer, which is formed by curing the polymerizable composition has a structure which includes "an acrylic main chain” and "a side chain including a urethane polymer unit or a urethane oligomer unit", and an acryloyl group is present at a terminal of the side chain.
  • the first organic layer and the second organic layer are the outermost layers among organic layers in the barrier laminate.
  • the barrier laminate may or may not include another constituent layer that is provided outside of the first organic layer.
  • the first organic layer may be directly formed on a surface of a substrate film without providing another constituent layer outside of the first organic layer.
  • a constituent layer such as an adhesive layer may be provided outside of the first organic layer.
  • the barrier laminate may or may not include another constituent layer that is provided outside the second organic layer. However, it is preferable that another constituent layer is not provided outside the second organic layer.
  • the second organic layer is the outermost layer of the barrier laminate.
  • the adhesive layer is provided on a surface of the second organic layer.
  • the barrier laminate may further include another inorganic layer and another organic layer such that two or more organic layers and two or more inorganic layers are alternately laminated each other.
  • the barrier laminate does not include another inorganic layer or another organic layer and has a structure in which the inorganic layer in contact with the second organic layer is also in contact with the first organic layer.
  • the total number of organic layers and inorganic layers constituting the barrier laminate is not particularly limited but, typically, is preferably 3 to 20, more preferably 3 to 5, and most preferably 3.
  • the barrier laminate may include another constituent layer in addition to the organic layer and the inorganic layer.
  • a composition constituting the barrier laminate may include a so-called gradient material layer in which an organic region and an inorganic region changes continuously in a thickness direction of the barrier laminate.
  • the gradient material layer may be provided between a specific organic layer and an inorganic layer which is directly formed on a surface of the specific organic layer, for example, between the first organic layer and the inorganic layer.
  • Examples of the gradient material layer include a material described in " Journal of Vacuum Science and Technology A, Vol. 23, pp. 971-977 (2005, American Vacuum Society)" by Kim et al.
  • organic layer organic layer
  • inorganic layer inorganic layer
  • the first organic layer and other organic layers are formed, preferably, by curing a polymerizable composition including a polymerizable compound.
  • the second organic layer is formed by curing a polymerizable composition including a urethane acrylate polymer, and the polymerizable composition for forming the second organic layer may include a polymerizable compound in addition to the urethane acrylate polymer.
  • the polymerizable compound is a compound having an ethylenically unsaturated bond at a terminal or a side chain and/or a compound having epoxy or oxetane at a terminal or a side chain. It is more preferable that the polymerizable compound is a compound having an ethylenically unsaturated bond at a terminal or a side chain.
  • the compound having an ethylenically unsaturated bond at a terminal or a side chain include a (meth)acrylate compound, an acrylamide compound, a styrene compound, and maleic anhydride. Among these, a (meth)acrylate compound is preferable, and an acrylate compound is more preferable.
  • (meth)acrylate compound for example, (meth)acrylate, urethane (meth)acrylate, polyester (meth)acrylate, or epoxy (meth)acrylate is preferable.
  • styrene compound for example, styrene, ⁇ -methylstyrene, 4-methylstyrene, divinylbenzene, 4-hydroxystyrene, or 4-carboxystyrene is preferable.
  • (meth)acrylate compound specifically, for example, a compound described in paragraphs "0024” to “0036” of JP2013-43382A or paragraphs “0036” to “0048” of JP2013-43384A can be used.
  • the polymerizable composition for forming the second organic layer may include an additive such as a monomer, an oligomer, or a polymer.
  • the additive may be a polymerizable compound or a non-polymerizable compound.
  • the additive examples include the above-described polymerizable compounds, polyester, an acrylic polymer, a methacrylic polymer, a methacrylic acid-maleic acid copolymer, polystyrene, a transparent fluororesin, polyimide, fluorinated polyimide, polyamide, polyamide imide, polyether imide, cellulose acylate, a urethane polymer, polyether ether ketone, polycarbonate, alicyclic polyolefin, polyarylate, polyethersulfone, polysulfone, fluorene ring-modified polycarbonate, alicyclic modified polycarbonate, fluorene ring-modified polyester, and an organic silicon polymer such as polysiloxane.
  • the above-described polymerizable compounds, an acrylic polymer, or a urethane polymer is preferable.
  • the (meth)acrylate compound is preferable.
  • the polymerizable composition for forming an organic layer may include a polymerization initiator.
  • the content thereof is preferably 0.1 mol% or higher and more preferably 0.5 mol% to 5 mol% with respect to the total amount of the compound contributing to the polymerization.
  • a polymerization reaction during which an active component-producing reaction occurs can be appropriately controlled.
  • Examples of a photopolymerization initiator include IRGACURE series manufactured by Ciba Specialty Chemicals Inc.
  • DAROCURE series for example, DAROCURE TPO and DAROCURE 1173
  • QUANTACURE PDO for example, EZACURE TZM, EZACURE TZT, and EZACURE KTO46.
  • the polymerizable composition for forming an organic layer may include a silane coupling agent.
  • the silane coupling agent include: a compound having a structure in which a hydrolyzable reactive group such as an alkyloxy group (for example, a methoxy group or an ethoxy group) or an acetoxy group and a substituent which has one or more reactive groups selected from an epoxy group, a vinyl group, an amino group, a halogen group, a mercapto group, and a (meth)acryloyl group are bonded to the same silicon atom; and a compound having a partial structure in which two silicon atoms are bonded to each other through an oxygen atom or -NH- and having a structure in which the above-described hydrolyzable reactive group and the above-described substituent having the reactive group are bonded to one of the silicon atoms.
  • the silane coupling agent has a (meth)acryloyl group.
  • Specific examples of the silane coupling agent include a silane coupling agent represented by Formula (1) in WO2013/146069A and a silane coupling agent represented by Formula (I) in WO2013/027786A .
  • a ratio of the silane coupling agent to solid contents (residue after volatile components are volatilized) of the polymerizable composition is preferably 0.1 mass% to 30 mass% and more preferably 1 mass% to 20 mass%.
  • the second organic layer of the barrier laminate is formed of a polymerizable composition including a urethane acrylate polymer.
  • the polymerizable composition for forming the first organic layer or another organic layer included in the barrier laminate according to the present invention may or may not include the urethane acrylate polymer. However, it is preferable that the polymerizable composition include the urethane acrylate polymer.
  • the urethane acrylate polymer has a structure which includes an acrylic main chain and a side chain including a urethane polymer unit or a urethane oligomer unit, and the side chain has an acryloyl group at a terminal.
  • the urethane acrylate polymer used in the present invention is not particularly limited as long as it is a copolymer having a structure in which urethane monomer units as side chains are disposed at sites of a monomer unit of the acrylic main chain as a stem.
  • the urethane acrylate polymer has a structure which is formed by graft copolymerization.
  • the acrylic main chain in the urethane acrylate polymer may be a homopolymer formed by homopolymerization of a (meth)acrylate monomer, an ethyl acrylate monomer, or the like, or may be a copolymer of any one of the above-described monomers or a copolymer of any one of the above-described monomer and another monomer.
  • the acrylic main chain is a copolymer obtained from (meth)acrylic acid ester and ethylene.
  • the urethane acrylate polymer may include plural urethane polymer units having different molecular weights or plural urethane oligomer units having different molecular weights.
  • the molecular weight of the urethane polymer unit is, for example, 3000 to 4000.
  • the molecular weight of the urethane oligomer unit is, for example, 350 to 600.
  • the urethane acrylate polymer may have both of a side chain including a urethane polymer unit and a side chain including a urethane oligomer unit.
  • the acrylic main chain and a urethane polymer unit or a urethane oligomer unit may be bonded to each other directly or through another linking group.
  • the linking group include an ethylene oxide group, a polyethylene oxide group, a propylene oxide group, and a polypropylene oxide group.
  • the urethane acrylate polymer may include plural side chains in which a urethane polymer unit or a urethane oligomer unit is bonded to the acrylic main chain through a different linking group (including direct bonding).
  • At least a part of side chains including a urethane polymer unit or a urethane oligomer unit have a (meth)acryloyl group at a terminal. It is preferable that all the side chains including a urethane polymer unit or a urethane oligomer unit in the urethane acrylate polymer have a (meth)acryloyl group at a terminal. It is preferable that the terminal (meth)acryloyl group is an acryloyl group.
  • the urethane acrylate polymer may have another side chain in addition to the side chain including a urethane polymer unit or a urethane oligomer unit.
  • Examples of the other side chain include a linear or branched alkyl group.
  • a linear alkyl group having 1 to 6 carbon atoms is preferable, an n-propyl group, an ethyl group, or a methyl group is more preferable, and a methyl group is still more preferable.
  • the urethane acrylate polymer may have a structure including plural side chains which are different, for example, in the molecular weight of a urethane polymer unit or a urethane oligomer unit or in a linking group, or may have a structure including the plural other side chains described above.
  • the weight average molecular weight of the urethane acrylate polymer is preferably 10,000 or higher, more preferably 12,000 or higher, and still more preferably 15,000 or higher.
  • the weight average molecular weight of the urethane acrylate polymer is preferably 1,000,000 or lower, more preferably 500,000 or lower, and still more preferably 300,000 or lower.
  • a layer including the urethane acrylate polymer is formed using an application method.
  • the weight average molecular weight of a polymer compound refers to a value measured by gel permeation chromatography (GPC).
  • GPC gel permeation chromatography
  • HLC-8020GPC manufactured by Tosoh Corporation
  • TSKgel Super HZM-H, TSKgel Super HZ4000, or TSKgel Super HZ200 manufactured by Tosoh Corporation
  • a carrier may be appropriately selected, and tetrahydrofuran is used as long as it is soluble.
  • the acrylic equivalent of the urethane acrylate polymer may be 500 or higher and is preferably 600 or higher, and more preferably 700 or higher.
  • the acrylic equivalent of the urethane acrylate polymer is preferably 5,000 or lower, more preferably 3,000 or lower, and still more preferably 2,000 or lower.
  • urethane acrylate polymer for example, an UV curable acrylic urethane polymer (8BR series, manufactured by Taisei Fine Chemical Co., Ltd.) can be used.
  • a ratio of the urethane acrylate polymer to solid contents (residue after volatile components are volatilized) of the polymerizable composition is preferably 5 mass% to 90 mass% and more preferably 10 mass% to 80 mass%.
  • the present inventors presumed that the specific reasons for the problem are, for example, as follows: the adhesiveness between the organic layer and the inorganic layer is likely to be insufficient due to compressive stress (volume contraction) of the second organic layer; and the infiltration of an adhesive into the organic layer is insufficient due to a dense three-dimensional net structure of the organic layer such that the adhesiveness between the organic layer and the adhesive layer for adhesion with a resin film is likely to be low.
  • the second organic layer which is formed of the above-described polymerizable composition including a urethane acrylate polymer
  • volume contraction caused by polymerization can be released while improving the adhesion with the inorganic layer, a sufficient hardness of the barrier laminate as a protective layer can be maintained, and the barrier laminate which is not likely to peel off from an infusion solution bag or the like when used in the infusion solution bag or the like can be manufactured.
  • the content of the urethane acrylate polymer of the composition for forming the second organic layer By adjusting the content of the urethane acrylate polymer of the composition for forming the second organic layer, the kind of the additive, and the side chain structure, molecular weight, and acrylic equivalent of the urethane acrylate polymer, characteristics of the second organic layer to be formed are adjusted, and a barrier laminate which is not likely to be defective with respect to an adhesive layer or a resin film used during the preparation of an infusion solution bag or the like can be manufactured.
  • the above-described polymerizable composition is layered.
  • the polymerizable composition is applied to a support such as a substrate or an inorganic layer.
  • the application method include a dip coating method, an air knife coating method, a curtain coating method, a roller coating method, a wire bar coating method, a gravure coating method, a slide coating method, and an extrusion coating method (also called a die coating method) using a hopper described in US2681294A .
  • an extrusion coating method can be preferably adopted.
  • the polymerizable composition for forming the second organic layer is applied to a surface of the inorganic layer using an extrusion coating method.
  • the reason for this is as follows. When the polymerizable composition is applied to the inorganic layer using an extrusion coating method, only liquid comes into contact with the inorganic layer without direct contact between the inorganic layer and an application device. Therefore, a damage such as a crack or a fracture caused by physical contact is not likely to occur in the inorganic layer.
  • the applied polymerizable composition may be dried.
  • a material including the polymerizable composition, which has been applied as described above is transported to a drying unit and is provided for a drying step.
  • the drying unit includes a front-surface-side drying unit of heating the polymerizable composition from a front surface side (coating film side) for drying; and a back-surface-side drying unit of heating the polymerizable composition from a back surface side for drying such that the applied polymerizable composition is dried from both of the front surface side and the back surface side.
  • the front-surface-side drying unit may be a warm-air drying unit
  • the back-surface-side may be a heat roller (a pass roller having a heating mechanism).
  • the drying unit may dry the applied polymerizable composition by heating the support.
  • the polymerizable composition may be sufficiently heated from the inorganic layer side so as to be dried.
  • Drying means is not particularly limited, and any drying means may be used as long as the polymerizable composition can be dried (an organic solvent can be removed) to be polymerized using this drying means before the support, to which the polymerizable compound is applied, reaches a light irradiating unit according to a support transport rate or the like, the support being a material on which an organic layer is formed.
  • Specific examples of the drying means include a heat roller and a warm air dryer, and a heat exchanger plate.
  • drying means By using this drying means, the hydrolysis reaction of the silane coupling agent or the like is promoted, the polymerizable composition can be effectively cured, and the layers can be formed without damaging the substrate film and the like.
  • these drying means one kind may be used alone, or a combination of two or kinds may be used. Any well-known drying means can also be used.
  • the polymerizable composition may be cured by light (for example, ultraviolet rays), electron beams, or heat rays. It is preferable that the polymerizable composition is cured by light. In particular, it is preferable that the polymerizable composition is cured while heated at a temperature of 25°C or higher (for example, 30°C to 130°C). By promoting the free movement of the polymerizable composition by heating, the polymerizable composition can be effectively cured, and the layers can be formed without damaging the substrate film and the like.
  • light for example, ultraviolet rays
  • electron beams for example, electron beams, or heat rays. It is preferable that the polymerizable composition is cured by light. In particular, it is preferable that the polymerizable composition is cured while heated at a temperature of 25°C or higher (for example, 30°C to 130°C).
  • the irradiation light may be ultraviolet rays emitted from a high-pressure mercury lamp or a low-pressure mercury lamp.
  • the irradiation energy is preferably 0.1 J/cm 2 or higher and more preferably 0.5 J/cm 2 or higher.
  • the polymerization of the polymerizable compound is inhibited by oxygen in the air. Therefore, it is preferable that the oxygen concentration or oxygen partial pressure during the polymerization decreases. In a case where the oxygen concentration during the polymerization is decreased using a nitrogen substitution method, the oxygen concentration is preferably 2% or lower and more preferably 0.5% or lower. In a case where the oxygen partial pressure during the polymerization is decreased using an evacuation method, the total pressure is preferably 1000 Pa or lower and more preferably 100 Pa or lower. In addition, it is more preferable that ultraviolet polymerization is performed by irradiation at an energy of 0.5 J/cm 2 or higher under reduced pressure conditions of 100 Pa or lower.
  • the polymerization ratio of the polymerizable compound in the polymerizable composition after curing is preferably 20 mass% or higher, more preferably 30 mass% or higher, and still more preferably 50 mass% or higher.
  • the polymerization ratio described herein refers to a ratio of reacted polymerizable groups to all the polymerizable groups (for example, an acryloyl group and a methacryloyl group) in a monomer mixture.
  • the polymerization ratio can be determined by an infrared absorption method.
  • the organic layer is smooth and has high hardness.
  • the average roughness (Ra value) of a 1 ⁇ m x 1 ⁇ m region is preferably less than 3 nm and more preferably less than 1 nm.
  • the organic layer is formed in a clean room.
  • the cleanliness is preferably class 10000 or lower and more preferably class 1000 or lower.
  • the hardness of the organic layer is high. It is known that, when the hardness of the organic layer is high, the inorganic layer is formed to be smooth, which improves barrier performance.
  • the hardness of the organic layer can be represented as a microhardness based on a nano-indentation method.
  • the microhardness of the organic layer is preferably 100 N/mm or higher and more preferably 150 N/mm or higher.
  • the first organic layer and the second organic layer may be formed of polymerizable compositions having the same composition or may be formed of polymerizable compositions having different compositions. However, it is preferable that the first organic layer and the second organic layer are formed of polymerizable compositions having different compositions.
  • the polymerizable composition including a urethane acrylate polymer exhibits the effect, in particular, by being used in the second organic layer formed on a surface of the inorganic layer.
  • the thickness of the organic layer is not particularly limited. From the viewpoints of brittleness and light transmittance, the thickness of the second organic layer is preferably 50 nm to 3000 nm, and more preferably 200 nm to 2000 nm. The thicknesses of the first organic layer and other organic layers are preferably 50 nm to 5000 nm, and more preferably 200 nm to 3500 nm.
  • the glass transition temperature (Tg) of the first organic layer is higher than Tg of the second organic layer.
  • Tg of the organic layer can be adjusted, for example, by adjusting the acrylic equivalent of the polymerizable compound in the polymerizable composition for forming an organic layer. Specifically, Tg can be increased by using a polyfunctional acrylate with respect to the molecular weight, or by adding an acrylic material having a stable molecular structure such as an adamantane skeleton.
  • the barrier laminate in a case where the barrier laminate is used in a form where an adhesive layer is provided on a surface of the second organic layer, it is preferable that at least a part of the second organic layer are dissolved in a solvent for dissolving an adhesive during the formation of the adhesive layer.
  • a solvent such as ethyl acetate, methyl acetate, or butyl acetate.
  • the inorganic layer is a thin layer formed of a metal compound.
  • a method of forming the inorganic layer any method can be used as long as a desired thin film can be formed using the method.
  • the method of forming the inorganic layer include a physical vapor deposition (PVD) method such as a vapor deposition method, a sputtering method, or an ion plating method, various chemical vapor deposition (CVD) methods, and a liquid phase growth method such as a plating method or a sol-gel method.
  • PVD physical vapor deposition
  • CVD chemical vapor deposition
  • Components included in the inorganic layer are not particularly limited as long as they satisfy the above-described performance, and examples thereof include a metal oxide, a metal nitride, a metal carbide, a metal oxynitride, and a metal oxycarbide.
  • a metal oxide, a metal nitride, a metal carbide, a metal oxynitride, and a metal oxycarbide for example, an oxide, a nitride, a carbide, an oxynitride, or an oxycarbide including one or more metals selected from Si, Al, In, Sn, Zn, Ti, Cu, Ce, and Ta can be preferably used.
  • an oxide, a nitride, or an oxynitride of a metal selected from Si, Al, In, Sn, Zn, and Ti is preferable, and a metal oxide, a nitride, or an oxynitride of Si or Al is more preferable.
  • These components may include another element as an auxiliary component.
  • an inorganic layer including Si is preferable. This is because the inorganic layer including Si has higher transparency and more satisfactory gas barrier properties.
  • an inorganic layer formed of silicon nitride is preferable.
  • the inorganic layer may include an appropriate amount of hydrogen.
  • the hydrogen concentration in hydrogen forward scattering spectrometry is 30% or lower.
  • the average roughness (Ra value) of a 1 ⁇ m ⁇ 1 ⁇ m region is preferably less than 3 nm and more preferably 1 nm or less.
  • the thickness of the inorganic layer is not particularly limited. Typically, the thickness of the single inorganic layer is 5 nm to 500 nm, preferably 10 nm to 200 nm, and more preferably 15 nm to 50 nm.
  • the inorganic layer may have a laminate structure including plural sub-layers. In this case, the respective compositions of the sub-layers may be the same as or different from each other.
  • the organic layer and the inorganic layer can be laminated by sequentially repeating the formation of the organic layer and the inorganic layer according to the desired layer configuration.
  • the inorganic layer is formed on the surface of the first organic layer.
  • the barrier laminate according to the present invention may have a functional layer.
  • the details of the functional layer will be specifically described in paragraphs "0036" to "0038" of JP2006-289627A .
  • Examples of other functional layers include a matting agent layer, a protective layer, a solvent resistant layer, an antistatic layer, a smoothing layer, an adhesion improving layer, a light shielding layer, an anti-reflection layer, a hard coat layer, a stress relaxation layer, an anti-fog layer, an antifouling layer, a printing object layer, and an easily adhesive layer.
  • the gas barrier film includes a substrate film and a barrier laminate that is formed on the substrate film.
  • the barrier laminate may be provided only a single surface of the substrate film or may be provided on both surfaces thereof. It is preferable that the barrier laminate has a structure in which a first organic layer, an inorganic layer, and a second organic layer are laminated in this order from the substrate film.
  • the outermost layer of the barrier laminate according to the present invention may be an inorganic layer or an organic layer. However, it is preferable that the outermost layer is the second organic layer.
  • the gas barrier film may include constituent elements (for example, a functional layer such as an easily adhesive layer) in addition to the barrier laminate and the substrate film.
  • the functional layer may be provided on the barrier laminate, between the barrier laminate and the substrate film, or on a surface (back surface) of the substrate film where the barrier laminate is not provided.
  • the thickness of the gas barrier film is preferably 20 ⁇ m to 200 ⁇ m and more preferably 30 ⁇ m to 150 ⁇ m.
  • a plastic film is used as the substrate film.
  • the material, thickness, and the like of the plastic film to be used are not particularly limited as long as the barrier laminate can be held on the plastic film.
  • the plastic film can be appropriately selected according to the intended use.
  • the plastic film include thermoplastic resins such as a polyester resin, a methacrylic resin, a methacrylic acid-maleic acid copolymer, a polystyrene resin, a transparent fluororesin, polyimide, a fluorinated polyimide resin, a polyamide resin, a polyamide imide resin, a polyether imide resin, a cellulose acylate resin, a polyurethane resin, a polyether ether ketone resin, a polycarbonate resin, alicyclic polyolefin resin, a polyarylate resin, a polyethersulfone resin, a polysulfone resin, a cycloolefin copolymer, a fluorine ring-modified polycarbonate resin, an alicyclic modified polycarbonate resin, a fluorene ring-modified polyester resin, or an acryloyl compound.
  • thermoplastic resins such as a polyester resin, a methacrylic resin, a meth
  • the thickness of the substrate film is preferably 15 ⁇ m to 200 ⁇ m and more preferably 25 ⁇ m to 150 ⁇ m.
  • the barrier laminate and the gas barrier film according to the present invention can be used as, for example, a packaging material.
  • the barrier laminate and the gas barrier film according to the present invention can be used as a member for imparting barrier properties to a packaging material in a laminated film which is prepared by adhering a resin film to the barrier laminate and the gas barrier film.
  • the barrier laminate according to the present invention is used as a part of an infusion solution bag.
  • the laminated film has a structure in which a sealant film is laminated on a barrier film including a substrate film and a barrier laminate (gas barrier layer).
  • the barrier laminate includes at least one organic layer and at least one inorganic layer.
  • the sealant film may be laminated on the barrier film, for example, through an adhesive layer.
  • Fig. 1 shows an example of the laminated film.
  • reference numeral 1 represents a substrate film
  • reference numeral 2 represents a first organic layer
  • reference numeral 4 represents a second organic layer
  • reference numeral 3 represents an inorganic layer
  • reference numeral 5 represents an adhesive layer
  • reference numeral 6 represents a sealant film.
  • the barrier laminate is configured to include three layers including the first organic layer, the inorganic layer, and the second organic layer.
  • the adhesive layer and the sealant film are in contact with each other.
  • another layer may be provided between the adhesive layer and the sealant film.
  • the other layer include an easily adhesive layer.
  • an oxygen-absorbing resin film and an adhesive layer may be provided between the adhesive layer and the sealant film. That is, a configuration of substrate film/barrier laminate/adhesive layer/oxygen-absorbing resin film/adhesive layer/sealant film may be adopted.
  • the oxygen-absorbing resin layer may not be provided. However, by providing the oxygen-absorbing resin layer, oxygen barrier properties are further improved.
  • the thickness of the laminated film may be 10 ⁇ m to 300 ⁇ m and may be 20 ⁇ m to 200 ⁇ m. Since the thickness of the laminated film is small, the infiltration of water vapor or oxygen from a side surface thereof can be efficiently prevented.
  • the oxygen transmission of the laminated film under conditions of a temperature of 40°C, 1 atom, and a relative humidity of 90% is preferably 0.1 mL/m 2 /day/atm or lower and more preferably 0.01 mL/m 2 /day/atm or lower.
  • the water vapor transmission rate of the laminated film under conditions of a temperature of 40°C, 1 atom, and a relative humidity of 90% is preferably 0.01 g/m 2 /day or lower and more preferably 0.001 g/m 2 /day or lower.
  • the laminated film satisfies both of the above-described oxygen transmission rate and the water vapor transmission rate.
  • an adhesive layer may be provided. Further, in a case where another functional film is provided, an adhesive layer may be used for adhesion with the film.
  • an adhesive included in the adhesive layer examples include an epoxy resin adhesive, a polyurethane adhesive, an ethylene vinyl acetate adhesive, and an acrylic resin adhesive. Among these, a polyurethane adhesive is preferable.
  • the adhesive layer may include components in addition to the adhesive, and it is preferable that the amount of these components is 1 mass% or lower with respect to the total amount of the adhesive layer.
  • the thickness of the adhesive layer is preferably 0.1 ⁇ m to 50 ⁇ m, preferably 1 ⁇ m to 30 ⁇ m, and still more preferably 1 ⁇ m to 5 ⁇ m.
  • the adhesive may infiltrate into the second organic layer. As a result, a mixed layer may be formed between the second organic layer and the adhesive layer.
  • the sealant film has no adhesive force at room temperature. Sealant films are adhered to each other by heating the sealant films to melt in a state where they overlap each other and compressing and cooling the sealant films. Typically, the sealant films may be adhered to each other.
  • the sealant film may be a resin film, and examples of the resin include polyethylene, polypropylene, an ethylene vinyl acetate copolymer (EVA), an ionomer, and an acrylic copolymer resin.
  • Specific examples of polyethylene and polypropylene include polyethylene (PE), low-density polyethylene (LDPE), linear low-density polyethylene (LLDPE), and cast polypropylene (CPP).
  • a resin film including PE, LDPE, LLDPE, or CPP is preferable from the viewpoint of dampproofness, and it is preferable that PE, LDPE, LLDPE, or CPP accounts for 90 mass% or higher, preferably 95 mass% or higher, and more preferably 99 mass% or higher with respect to all the resin components.
  • Various additives may be added to the sealant film. Examples of the additives include an anti-blocking agent, a lubricant, an antistatic agent, an antioxidant, an anti-fog agent, an organic or inorganic pigment, a ultraviolet absorber, and a dispersant.
  • the sealant film is transparent. Being transparent described herein represents a light transmittance being 50% or higher, preferably, 70% or higher.
  • the thickness of the sealant film is preferably 1 ⁇ m to 100 ⁇ m and more preferably 2 ⁇ m to 70 ⁇ m.
  • the sealant film is not particularly limited as long as it can be melted by heat to adhere the laminated film and another film to each other.
  • the sealant film is a film having a sealant layer.
  • the composition of the sealant film in the laminated film may be the same as or different from that of a sealant such as a packaging material which is adhered to the sealant film. Since the sealant film and the sealant are adhered to each other by heat sealing, it is preferable that 95% mass% or higher of the compositions thereof is the same.
  • the sealant film has barrier properties.
  • the other film may be the above-described laminated film.
  • a bag-shaped packaging material can be manufactured by disposing the two laminated films to overlap each other and adhering outer peripheral portions thereof to each other, or by folding one laminated film and adhering outer peripheral portions thereof other than the folded portion to each other.
  • the kind of the packaging material to which the laminated film is applied is not particularly limited. However, since the barrier properties of the laminated film to be used are satisfactory, it is preferable that the laminated film is applied to, in particular, a material which is used for the packaging of a product in which gas barrier properties are required.
  • the product to be packaged include food, non-food, and chemicals.
  • the state of the product to be packaged may be any one of liquid, solid, or powder.
  • the packaging material has a pouch shape or a bag shape by appropriately performing the heat sealing of the laminated film. Specific examples of the packaging material include a packaging bag for food, a packaging bag for chemicals, and an infusion solution bag.
  • the packaging material may have a configuration in which the laminated film is adhered to a previously bag-shaped film including a resin film which functions as a sealant film.
  • the laminated film may be adhered to the bag such that the laminated film is disposed on both surfaces of the bag or such that the laminated film is disposed on only a single surface of the bag.
  • another film for example, an aluminum film
  • the outermost layer thereof to which the above-described laminated film is adhered is formed of the sealant film.
  • Examples of the bag including a resin film include a bag in which two resin films are adhered to each other and a bag in which one resin film is folded and adhered.
  • end portions of a resin film may be completely adhered except for a necessary extraction port (for example, a liquid discharge port of an infusion solution bag).
  • the thickness of the resin film of the bag including the resin film is preferably 20 ⁇ m to 200 ⁇ m.
  • the two resin films may be the same as or different from each other. However, it is preferable that the two resin films are the same as each other. In a case where the two resin films are the same as each other, the two resin films can be easily adhered to each other using a heat sealing method.
  • the laminated film and the packaging material may be adhered to each other by heat sealing.
  • the heat sealing temperature can be determined based on a melting point of a sealant film included in the laminated film.
  • the heat sealing temperature is preferably 160°C to 220°C.
  • the heat sealing time may be typically 0.2 seconds to 20 seconds and is preferably 0.5 seconds to 10 seconds and more preferably 1 second to 10 seconds.
  • the heat sealing pressure is preferably 0.01 MPa to 5 Mpa.
  • the infusion solution bag may be a single type in which one bag used or a dual type in which two bags are used.
  • Examples of the duplex infusion solution bag include a dual bag including: a powder containing chamber; and a liquid containing chamber that is separated from the powder containing chamber by an easily peelable partition wall. In this case, immediately before use, the partition wall peels off to mix powder and liquid with each other, and the mixture is infused through a liquid discharge port. In this case, it is preferable that the infusion solution bag according to the present invention is used as the powder containing chamber.
  • Examples of chemicals used in the infusion solution bag include liquid which is administered, for example, hypodermically, intravascularly, or intraperitoneally by intravenous drip infusion or the like.
  • Examples of chemicals used in the dual bag include liquid such as powder chemicals or normal saline.
  • Examples of the powder chemicals include a nutritional supplement such as vitamins or amino acid, antibiotics, and an antibacterial agent.
  • JP2003-230618A and JP1998-201818A JP-H10-201818A
  • a barrier laminate was formed on a single surface of a polyethylene terephthalate film (PET film, manufactured by Toyobo Co., Ltd., trade name: COSMO SHINE A4300, thickness: 100 ⁇ m, width: 1000 mm, length: 100 m) in the following procedure, and was evaluated.
  • PET film manufactured by Toyobo Co., Ltd., trade name: COSMO SHINE A4300, thickness: 100 ⁇ m, width: 1000 mm, length: 100 m
  • TMPTA Trimethylolpropane triacrylate
  • ESACURE KTO 46 photopolymerization initiator
  • the coating solution was irradiated with ultraviolet rays (cumulative irradiation amount: about 600 mJ/cm 2 ) to be cured, and the PET film was wound.
  • the thickness of the first organic layer formed on the PET film as a support was 1 ⁇ m.
  • an inorganic layer (silicon nitride layer) was formed on a surface of the organic layer.
  • silane gas flow rate: 160 sccm; a standard state of 0°C and 1 atm, and hereinafter the same shall be applied
  • ammonia gas flow rate: 370 sccm
  • hydrogen gas flow rate: 590 sccm
  • nitrogen gas flow rate: 240 sccm
  • a power supply a high-frequency power supply having a frequency of 13.56 MHz was used.
  • the film forming pressure was 40 Pa, and the achieved thickness was 50 nm. In this way, the inorganic layer was laminated on a surface of the first organic layer.
  • a second organic layer was laminated on a surface of the inorganic layer.
  • the second organic layer was formed in the following procedure.
  • a urethane acrylate polymer (ACRYD 8BR 930, manufactured by Taisei Fine Chemical Co., Ltd.; weight average molecular weight: 1600, acrylic equivalent: 800)
  • an additive a silane coupling agent (KBM 5103, manufactured by Shin-Etsu Chemical Co., Ltd.), and a photopolymerization initiator (IRG 184, manufactured by Ciba Specialty Chemicals Inc.) were weighed at a mixing ratio shown in Table 1.
  • These components were dissolved in methyl ethyl ketone. As a result, a coating solution (solid content concentration: 15%) was obtained.
  • the second organic layer was formed.
  • DPHA added as the additive is a polyfunctional acrylate (manufactured by Daicel-Cytec Co Ltd.), and VYLON U1410 is a urethane polymer (manufactured by Toyobo Co., Ltd.).
  • TMPTA was used instead of the urethane acrylate polymer.
  • This coating solution was directly applied to a surface of the above-described inorganic layer using a roll-to-roll method with a die coater and was allowed to pass through a drying zone at 100°C for 3 minutes.
  • the coating solution was irradiated with ultraviolet rays (cumulative irradiation amount: about 600 mJ/cm 2 ) to be cured, and the PET film was wound.
  • the thickness of the second organic layer formed on the PET film as a support was 1 ⁇ m.
  • Each of the gas barrier films as described above and a resin film as a sealant film (polypropylene film, manufactured by Toray Advanced Film Co., Ltd., thickness: 30 ⁇ m, melting point: about 161°C) were adhered to each other through a polyurethane adhesive (main agent: polyester polyol (RU-77T, manufactured by Rock Paint Co., Ltd.), curing agent: aliphatic isocyanate (H-7, manufactured by Rock Paint Co., Ltd.)) so as to obtain a layer configuration shown below. As a result, a laminated film was obtained. The thickness of the adhesive layer was 3 ⁇ m.
  • PET film first organic layer/inorganic layer/second organic layer/adhesive layer/sealant film
  • the sealant film (resin film) side of the obtained laminated film and a bag including a resin film (bag formed of polypropylene) were adhered to each other using a heat sealing method. As a result, an infusion solution bag was prepared.
  • Heat sealing was performed by heating the entire surface at 180°C under 0.1 MPa for 1 second.
  • the water vapor transmission rate of a surface where the laminated film was provided was measured using a calcium method. Specifically, the water vapor transmission rate (g/m 2 /day) was measured using a method described in G. NISATO; P.C.P. BOUTEN; P.J. SLIKKERVEER et al., SID Conference Record of the International Display Research Conference, pp. 1435 to 1438 . The measurement was performed under conditions of a temperature of 40°C and a relative humidity of 90%. The results are shown in Table 1. Evaluation Criteria of Water Vapor Transmission Rate (Values in "()" represents the water vapor transmission rate assuming that the conditions were 25°C and 50%)
  • the infusion solution bag was dropped at a height of 1 m from the ground, and whether or not peeling occurred in an edge portion was evaluated by visual inspection. The results are shown in Table 1.

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EP15760995.9A 2014-03-12 2015-01-23 Stratifié barrière, film barrière au gaz, film stratifié, poche de solution de perfusion, et procédé de production d'un stratifié barrière Active EP3117989B1 (fr)

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JP6277142B2 (ja) * 2015-02-02 2018-02-07 富士フイルム株式会社 機能性複合フィルムおよび量子ドットフィルム
CN109476138B (zh) * 2016-07-26 2021-02-26 富士胶片株式会社 阻气膜及太阳能电池以及阻气膜的制造方法
JP6683836B2 (ja) * 2016-11-30 2020-04-22 富士フイルム株式会社 ガスバリアフィルムおよびガスバリアフィルムの製造方法
CN111093973B (zh) 2017-09-06 2021-12-21 富士胶片株式会社 阻气膜及阻气膜的制造方法
JP7107028B2 (ja) * 2018-06-29 2022-07-27 凸版印刷株式会社 積層体、包装体及び包装物品
WO2020116335A1 (fr) * 2018-12-05 2020-06-11 バンドー化学株式会社 Film de protection de surface pour écran flexible
JP7132431B2 (ja) 2019-03-27 2022-09-06 富士フイルム株式会社 機能性フィルムおよび機能性フィルムの製造方法
WO2024122230A1 (fr) * 2022-12-09 2024-06-13 富士フイルム株式会社 Matériau d'emballage sur lequel est fixé un film barrière aux gaz
WO2024135403A1 (fr) * 2022-12-21 2024-06-27 富士フイルム株式会社 Film barrière aux gaz
WO2024135417A1 (fr) * 2022-12-23 2024-06-27 富士フイルム株式会社 Procédé de fabrication d'un sac de perfusion

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TW201534470A (zh) 2015-09-16
JP5977776B2 (ja) 2016-08-24
EP3117989A4 (fr) 2017-03-29
WO2015136993A1 (fr) 2015-09-17
EP3117989B1 (fr) 2018-05-23
JP2015171798A (ja) 2015-10-01
TWI643744B (zh) 2018-12-11
CN106061725A (zh) 2016-10-26
CN106061725B (zh) 2019-03-08
US20160368236A1 (en) 2016-12-22

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